Neuroscience Lecture: Brain Organization and Imaging Techniques
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Questions and Answers

What term is used to describe the brain's ability to reassign functions to different areas in case of damage, such as in stroke victims?

  • Neurodegeneration
  • Neurotransmission
  • Neurogenesis
  • Neuroplasticity (correct)

    • How does the brain store a complex action after learning its separate components?

  • In the same area where each separate action was learned
  • By deleting the memory of each separate action
  • By repeating each separate action multiple times
  • By creating a macro for the whole action and storing it in a different part of the brain (correct)

    • How is perceiving our environment explained in contrast to reality?

  • We interpret our impression of the environment, not the actual environment (correct)
  • We perceive the environment without any bias
  • Our perception is an exact representation of the environment
  • We perceive the exact reality

    • Dualism refers to:

    <p>The belief that mind and body exist as separate entities</p> Signup and view all the answers

    Which term describes the brain's collaboration between different systems that allows for functions to be reassigned when needed?

    <p>Functional integration</p> Signup and view all the answers

    What can be observed regarding the brain's plasticity when stroke damages a certain function?

    <p>The brain reallocates functions to compensate for the damage</p> Signup and view all the answers

    What is the primary neurotransmitter associated with Parkinson's symptoms?

    <p>Dopamine</p> Signup and view all the answers

    Why are second-generation medications considered an advance over first-generation medications?

    <p>They inhibit the release of dopamine in specific pathways</p> Signup and view all the answers

    How do serotonin receptors (5HT2A) affect dopamine release in adjacent neurons?

    <p>They inhibit dopamine release in adjacent neurons</p> Signup and view all the answers

    What analogy is used to describe the mechanism of action involving D2 antagonists and 5HT2A inhibitors?

    <p>Mixing hot and cold faucets to make warm water</p> Signup and view all the answers

    Which category of schizophrenic experience involves patients feeling they will be 'swept' into something larger?

    <p>Engulfment</p> Signup and view all the answers

    How does the concept of lowering dopamine in the mesolimbic region while increasing dopamine in serotonergic adjacent regions relate to schizophrenia treatment?

    <p>It allows for a balancing of dopamine levels in key brain regions</p> Signup and view all the answers

    What is the primary function of the hind brain?

    <p>Sending information to the midbrain</p> Signup and view all the answers

    Which neurotransmitters do the pathways of neurons respond to in the cortex?

    <p>Dopamine, serotonin, &amp; norepinephrine</p> Signup and view all the answers

    Where is information processed and refined?

    <p>Midbrain</p> Signup and view all the answers

    What is the main purpose of imaging as suggested in the text?

    <p>To explore how the brain constructs itself</p> Signup and view all the answers

    What should be avoided to properly utilize imaging as suggested in the text?

    <p>Comparing many syndromes and locations; looking for patterns</p> Signup and view all the answers

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